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An introduction to power and sample size estimation

Abstract

The importance of power and sample size estimation for study design and analysis.

  • research design
  • sample size
  • statistics

https://doi.org/10.1136/emj.20.5.453

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    • Correction
      Correction
      BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine
      Emergency Medicine Journal 2004; 21 126-126 Published Online First: 20 Jan 2004.
    • Correction
      Correction: An introduction to power and sample size estimation
      BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine
      Emergency Medicine Journal 2023; 40 e4-e4 Published Online First: 27 Sep 2023. doi: 10.1136/emj.20.5.453corr2